Punnett Squares Practice

Front

What is the term for the physical appearance of an organism?

Back

Phenotype

Front

What do AA and Aa genotypes always express?

Back

Dominant traits

Front

What complex molecule carries genetic information in an organism?

Back

DNA

Front

Which of the following is homozygous dominant: Yy, Y, yy, or YY?

Back

YY

Front

What are Aa, DD, Ba, and yy examples of?

Back

Genotypes

Front

What is the term for an organism's genetic makeup?

Back

Genotype

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous has identical alleles; heterozygous has different alleles.

Front

What is a Punnett Square used for?

Back

To predict the genetic outcomes of a cross.

Front

What does it mean if a trait is recessive?

Back

It only expresses when two recessive alleles are present.

Front

What is the genotype for a homozygous recessive organism?

Back

It is represented as 'aa'.